UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cU0wN1dxm/ySVJQlKnYriayvRlTGAeNcnisdCUkq+fs=' 
WHERE 
  key_id = '3a9f19e4fec136f6c8ea5a374fc23e58b42003da565074121c95a805e27f7a77' 
  AND (
    token = 'cU0wN1dxm/ySVJQlKnYriayvRlTGAeNcnisdCUkq+fs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )